600 📩 The First Email

📄 When was the first email? When did it become a public phenomenon/thing?

🙅‍♂️ What happened in the 1990's?

💿 When we're CDs and DVDs popular? When was the last time you used one?

💌 How would one originally join Gmail?

📲 What changed email in 2007?

🌐 How many emails are sent every day? How many in a week?